What airlines fly to Barcelona?

United Airlines, British Airways and American Airlines are the top three most popular airlines that fly to Barcelona from San Diego according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 8 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San Diego to Barcelona?

British Airways and Aer Lingus are the most popular carriers operating from San Diego to Barcelona

When did momondo last update prices for flights from San Diego Airport to Barcelona?

Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.

How many operators does momondo search for flights from San Diego Airport to Barcelona?

The number of operators available for flights from San Diego Airport to Barcelona is 8 as of November 2025.

How old do you have to be to fly from San Diego Airport to Barcelona?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$258 Cheap Flights from San Diego to Barcelona in 2025/26

Q: What is the typical price of a round-trip flight between San Diego and Barcelona?

Prices are currently low for flights on this route. Typical prices usually range from $745 to $1,467. The lowest price recently found on this route was $484.

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Find the cheapest flights from San Diego to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 8:40 amSAN-BCN

17h 10m1 stop

10:15 am - 8:22 pmBCN-SAN

19h 07m1 stop

$484KLM

Find Deal

Tue, Jan 13 - Thu, Jan 22

6:15 am - 9:00 amSAN-BCN

17h 45m2 stops

10:40 am - 9:58 pmBCN-SAN

20h 18m2 stops

$485American Airlines

Find Deal

Thu, Jan 1 - Thu, Jan 15

2:11 pm - 5:35 pmSAN-BCN

18h 24m2 stops

9:10 am - 3:45 pmBCN-SAN

15h 35m1 stop

$486United Airlines

Find Deal

Thu, Jan 8 - Fri, Jan 23

10:15 pm - 8:50 amSAN-BCN

25h 35m2 stops

10:15 am - 8:22 pmBCN-SAN

19h 07m1 stop

$487Delta

Find Deal

Sun, Jan 11 - Thu, Jan 22

10:15 pm - 8:00 amSAN-BCN

24h 45m1 stop

10:55 am - 9:57 amBCN-SAN

32h 02m2 stops

$488Delta

Find Deal

Sun, Jan 11 - Fri, Jan 23

9:55 am - 11:05 pmSAN-BCN

28h 10m2 stops

11:55 am - 11:05 pmBCN-SAN

20h 10m2 stops

$490Lufthansa

Find Deal

Wed, Jan 7 - Sun, Jan 18

6:15 am - 5:35 pmSAN-BCN

26h 20m3 stops

1:35 pm - 9:20 amBCN-SAN

28h 45m2 stops

$491United Airlines

Find Deal

Mon, Jan 12 - Tue, Jan 27

7:05 am - 11:10 amSAN-BCN

19h 05m2 stops

10:15 am - 10:47 pmBCN-SAN

21h 32m2 stops

$492Delta

Find Deal

Fri, Feb 6 - Tue, Feb 10

6:00 pm - 10:55 pmSAN-BCN

19h 55m2 stops

1:50 pm - 11:05 pmBCN-SAN

18h 15m2 stops

$493Lufthansa

Find Deal

Thu, Jan 8 - Fri, Jan 23

10:52 am - 2:15 pmSAN-BCN

18h 23m2 stops

1:50 pm - 2:52 pmBCN-SAN

34h 02m2 stops

$494United Airlines

Find Deal

Fri, Jan 9 - Fri, Jan 16

KLM flights from San Diego to Barcelona

Our best KLM deals on San Diego to Barcelona flight tickets

KLM

Jan 13

SAN6:30 amSan Diego

17h 10m

1 stop

BCN8:40 amBarcelona-El Prat

Jan 22

BCN10:15 amBarcelona-El Prat

19h 07m

1 stop

SAN8:22 pmSan Diego

$484

Find similar

KLM

Jan 15

SAN10:15 pmSan Diego

24h 45m

1 stop

BCN8:00 amBarcelona-El Prat

Jan 22

BCN10:15 amBarcelona-El Prat

22h 50m

1 stop

SAN12:05 amSan Diego

$584

Find similar

American Airlines flights from San Diego to Barcelona

Our best American Airlines deals on San Diego to Barcelona flight tickets

American Airlines

Jan 1

SAN6:15 amSan Diego

17h 45m

2 stops

BCN9:00 amBarcelona-El Prat

Jan 15

BCN10:40 amBarcelona-El Prat

20h 18m

2 stops

SAN9:58 pmSan Diego

$485

Find similar

American Airlines

Dec 10

SAN11:38 amSan Diego

17h 02m

2 stops

BCN1:40 pmBarcelona-El Prat

Jan 13

BCN6:40 amBarcelona-El Prat

19h 40m

2 stops

SAN5:20 pmSan Diego

$507

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 1/13

6:30 am-8:40 am

1 stop17h 10m

Barcelona-El Prat

Thu 1/22

10:15 am-8:22 pm

1 stop19h 07m

$484

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 1/1

6:15 am-9:00 am

2 stops17h 45m

Barcelona-El Prat

Thu 1/15

10:40 am-9:58 pm

2 stops20h 18m

$485

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 1/8

2:11 pm-5:35 pm

2 stops18h 24m

Barcelona-El Prat

Fri 1/23

9:10 am-3:45 pm

1 stop15h 35m

$486

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 1/11

10:15 pm-8:50 am

2 stops25h 35m

Barcelona-El Prat

Thu 1/22

10:15 am-8:22 pm

1 stop19h 07m

$487

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 1/11

10:15 pm-8:00 am

1 stop24h 45m

Barcelona-El Prat

Fri 1/23

10:55 am-9:57 am

2 stops32h 02m

$488

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 1/7

9:55 am-11:05 pm

2 stops28h 10m

Barcelona-El Prat

Sun 1/18

11:55 am-11:05 pm

2 stops20h 10m

$490

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 1/12

6:15 am-5:35 pm

3 stops26h 20m

Barcelona-El Prat

Tue 1/27

1:35 pm-9:20 am

2 stops28h 45m

$491

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 2/6

7:05 am-11:10 am

2 stops19h 05m

Barcelona-El Prat

Tue 2/10

10:15 am-10:47 pm

2 stops21h 32m

$492

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 1/8

6:00 pm-10:55 pm

2 stops19h 55m

Barcelona-El Prat

Fri 1/23

1:50 pm-11:05 pm

2 stops18h 15m

$493

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 1/9

10:52 am-2:15 pm

2 stops18h 23m

Barcelona-El Prat

Fri 1/16

1:50 pm-2:52 pm

2 stops34h 02m

$494

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Barcelona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between San Diego and Barcelona?

What is the cheapest month to fly to Barcelona?

The month of November is, on average, the cheapest month to fly to Barcelona from San Diego, with most prices found around $632. If you don’t want to visit Barcelona in November, then you should wait until January to fly from San Diego, when ticket prices are also cheap, with an average price of $700.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from San Diego to Barcelona is on a Wednesday when prices can be found for as low as $782. On the other hand, Thursday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,006.

What is the cheapest time of day to depart on your flight to Barcelona?

In the afternoon is the cheapest time of day to fly from San Diego to Barcelona when you can find flight prices for as low as $850. Flying to Barcelona in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $939 on average. Flights to Barcelona from San Diego in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $856 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from San Diego for as low as $743 on momondo.

Cheap San Diego to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Barcelona

Fastest flight time	14h 20m
Direct flights	None

The fastest flight from San Diego to Barcelona takes 14h 20m

There are no direct flights from San Diego to Barcelona. There are no popular flight routes from San Diego to Barcelona.

Search flight deals

How far is San Diego to Barcelona by plane?
The distance between San Diego and Barcelona is about 6024.0 mi. A reasonable flight in good conditions will take 14h 37m.
When did momondo last update prices for flights from San Diego Airport to Barcelona?
Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to Barcelona?
The number of operators available for flights from San Diego Airport to Barcelona is 8 as of November 2025.
How old do you have to be to fly from San Diego Airport to Barcelona?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Diego to Barcelona

Compare and see reviews for airlines that fly from San Diego to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $483	Free Cancellation	Rating 7.7 1,422 reviews	Search KLM flights
Iberia	PriceFrom $517	Free Cancellation	Rating 7.0 3,034 reviews	Search Iberia flights
Air Canada	PriceFrom $528	Free Cancellation	Rating 7.1 10,476 reviews	Search Air Canada flights
Lufthansa	PriceFrom $556	Free Cancellation	Rating 6.8 7,594 reviews	Search Lufthansa flights
Delta	PriceFrom $562	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
United Airlines	PriceFrom $562	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights
British Airways	PriceFrom $614	Free Cancellation	Rating 6.7 7,539 reviews	Search British Airways flights
American Airlines	PriceFrom $634	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Barcelona?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Barcelona for you.

Can I find flights from San Diego to Barcelona with flexible booking policies on momondo?

All flight searches from San Diego to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from San Diego.

I’m not ready to book a flight from San Diego to Barcelona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.